Ink bottle for draftsmen



- H. RCRTENBURG INKBOTTLE FOR DRAFTSMEN Sept. 16

Filed Dec. 11, 1 922 Patented Sept. 16, 1924?.

entree stars ea r HENRY norrnnnnne, or cameraman, ENGLAND. I

INK BOTTLE FOR DRAFTSIVIEN.

Application filed December 11, 1822. Serial No. 606,192. I

T all whom it may concern:

Be it known that I, HEN Y ROTTENBURG,

a British subject, and resident of Adams Road, Cambridge, in the county of Cam- 5 bridge, England, have invented certain new and useful Improvements in Ink Bottles for Draftsmen (for which I have filed an application in England, dated December 17th, 1921), of which the following is a specification. v

This invention relates to fittings forink bottles for draftsmen and like receptacles. It is the main purpose of the invention to provide a simple and safe method of securing bottles of drawing ink both when in use and when transported. I

Broadly defined, the present invention comprises a clamp adapted to clamp a bottle of drawing ink to a table, drawing board or other support when the ink is being used and thereby to prevent spilling of the contents. The clamp also serves to secure the stopper in position when the bottle of ink is being carried about.

More particularly defined, the invention comprises a clamp with a flat base formed so as to be adapted to engage over the shoulders of the bottle and around the neck thereof and a head portion in which is mounted a clamping screw for clamping the bottle to the table or the like, while the base also can support the base of the bottle and the clamping screw can maintain the stopper in position. According to one embodiment of the invention the clamp is constructed of metal rod of circular cross section and bent to a suitable shape. The two ends of the rod may be furnished with rubber tubing or a like cushion to support the base of the bottle or to engage its shoulders. The rod is then bent round to engage the sides of the bottle and then bent upwards and turned horizontally to form the head which carries the clamping screw.

Such a clamp may be used with an ordinary stopper or with a quill as is usually provided with bottles of drawing ink, or it may be used with a stopper with which is embodied apipette.

Some embodiments of the invention are illustrated in the annexed drawings in which Figure 1 is a perspective view of one embodiment of the clamp;

Figure 2 is an end elevation showing the clamp securing the stopper in a bottle of drawing ink;

Figure 3 is an elevation of a detail;

Figure 4 is a perspective View of a secondembodiment of the invention; and l Figure his a side elevation showing-the latter embodiment in use for clamping a bottle of ink to a drawing board.

In Figures 1 and 2' a clamp is shownformed of round metal rod. The two ends are covered by two pieces of rubber tube E, F which act as cushions to support the bottle of ink The metal rod is bent to form a frame A and at its central por vtion is looped to form a head supporting a T; The frame A holds the circular nut B. nut B by passing tightly round it and by engaging in the annular groove R (Figure 3). The nut B carries the hand screw C which at its lower end has a circular flat disc D which preferably can turn freely relatively to the screw C in order to prevent the latter marking the board or table when clamping the bottleto it in the man ner shown in Figure 5. a In F ignre 2 the bottle G is shown sup ported on the india rubber cushions E, F and the disc D is shown screwed down on to thestopper which carries the pipette H. Thus in the position in Figure'2 the bottle of ink is ready for carrying without any danger of spilling the contents.

In Figures 4 and 5 a second embodiment of the invention is shown, the clamp being illustrated in its simplest form made. of a metal casting. The latter comprises a flat base Q with an upstanding arm M which is bent horizontally at the top to form the head in which the screw 0 is threaded. The screw 0 andthe disc P are exactly similar to the screw C and the disc D in F igure- 1. For transporting purposesthe bottle of ink is supported on the base Q and the stopper is held in position by the disc P in a similar Way to that shown in Figure 2. The base Q, however, is formed with a slot N which allows the neck of the bottle to pass through and enables the base Q to rest on the shoulders of the bottle S, when the same is clamped to a drawing board T as shown in Figure 5. It is obvious that a circular hole in the base Q will serve almost the same purpose as the slot N, except that a slot such as N makes it more convenient to slip the clamp over the bottle neck.

Of course such a clamp is equally suitable for use with an ink bottle provided with a plain stopper or a stopper fitted with a filling pipette or a stopper fitted with a quill as is usually provided with bottles of drawing ink. The use oi such a clamp either with a pipette or with a stopper and quill has the further advantage that the pipette or stopper can be made a loose fit in the neck of the bottle and so may be more easily taken out when it is desired to fill the pen.

Having thus described my invention what l claim as new and desire to secure by Letters Patent is l. A clamp for a draftsmans ink bottle comprising in combination a clamp body with parallel base and head members and a clamping screw threaded in said head member, said base being shaped to support the ink bottle in a stable position under the pressure of said clamping screw and also shaped to engage the shoulders of the ink bottle upon reversal of the clamp.

2. A clamp for holding a stopper in a CllfiitSmtlIlS ink bottle, comprising in combination a clamp body with parallel bottle supporting base and head members and a hand screw threaded in said head member for clamping the bottle stopper in position,

said base being shaped and disposed so to support said bottle in a stable condition centrally below said hand screw.

3. A clamp for holding a stopper in a draftsmans ink bottle comprising a clamp body having a bottle supporting base and a non-rotatably supporting nut parallel to said base, a hand screw threaded in said nut for clamping the bottle stopper in position and a circular clamping disc carried loosely at the end of said screw said base being shaped to support the bottle in a stable position centrally below said clamp- .ing disc and being slotted to form arms of sufficient length to engage the shoulders of the bottle upon reversal of the clamp.

4:. A clamp for ink bottles and like receptacles comprising a frame of round metal rod having bent end portions to form a bottle supporting base a portion lying in a Vertical plane and a horizontal loop, a nut supported and gripped by said loop and a clamping screw threaded in said nut.

HENRY ROTTENBURG. 

